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Remove boilerplate around dispatcher and settings watchers (#28338)

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* Remove boilerplate around dispatcher and settings watchers

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
This commit is contained in:
Michael Telatynski 2024-11-01 15:15:04 +00:00 • committed by GitHub
parent b8fd98ab3c
commit 2d9982f9f0
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GPG key ID: B5690EEEBB952194
36 changed files with 81 additions and 111 deletions
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7
src/settings/SettingsStore.ts
View file

@ -192,10 +192,11 @@ export default class SettingsStore {
/**
* Stops the SettingsStore from watching a setting. This is a no-op if the watcher
* provided is not found.
* @param {string} watcherReference The watcher reference (received from #watchSetting)
* to cancel.
* @param watcherReference The watcher reference (received from #watchSetting) to cancel.
* Can be undefined to avoid needing an if around every caller.
*/
public static unwatchSetting(watcherReference: string): void {
public static unwatchSetting(watcherReference: string | undefined): void {
if (!watcherReference) return;
if (!SettingsStore.watchers.has(watcherReference)) {
logger.warn(`Ending non-existent watcher ID ${watcherReference}`);
return;

7
src/settings/watchers/FontWatcher.ts
View file

@ -28,11 +28,7 @@ export class FontWatcher implements IWatcher {
*/
public static readonly DEFAULT_DELTA = 0;
private dispatcherRef: string | null;
public constructor() {
this.dispatcherRef = null;
}
private dispatcherRef?: string;
public async start(): Promise<void> {
this.updateFont();
@ -148,7 +144,6 @@ export class FontWatcher implements IWatcher {
}
public stop(): void {
if (!this.dispatcherRef) return;
dis.unregister(this.dispatcherRef);
}

16
src/settings/watchers/ThemeWatcher.ts
View file

@ -18,9 +18,9 @@ import { ActionPayload } from "../../dispatcher/payloads";
import { SettingLevel } from "../SettingLevel";
export default class ThemeWatcher {
private themeWatchRef: string | null;
private systemThemeWatchRef: string | null;
private dispatcherRef: string | null;
private themeWatchRef?: string;
private systemThemeWatchRef?: string;
private dispatcherRef?: string;
private preferDark: MediaQueryList;
private preferLight: MediaQueryList;
@ -29,10 +29,6 @@ export default class ThemeWatcher {
private currentTheme: string;
public constructor() {
this.themeWatchRef = null;
this.systemThemeWatchRef = null;
this.dispatcherRef = null;
// we have both here as each may either match or not match, so by having both
// we can get the tristate of dark/light/unsupported
this.preferDark = (<any>global).matchMedia("(prefers-color-scheme: dark)");
@ -55,9 +51,9 @@ export default class ThemeWatcher {
this.preferDark.removeEventListener("change", this.onChange);
this.preferLight.removeEventListener("change", this.onChange);
this.preferHighContrast.removeEventListener("change", this.onChange);
if (this.systemThemeWatchRef) SettingsStore.unwatchSetting(this.systemThemeWatchRef);
if (this.themeWatchRef) SettingsStore.unwatchSetting(this.themeWatchRef);
if (this.dispatcherRef) dis.unregister(this.dispatcherRef);
SettingsStore.unwatchSetting(this.systemThemeWatchRef);
SettingsStore.unwatchSetting(this.themeWatchRef);
dis.unregister(this.dispatcherRef);
}
private onChange = (): void => {